chore(docker): update publish-docker.yml to trigger on main branch pushes and refine tagging logic for versioned releases

Author: vishalmakwana111

.github/workflows/publish-docker.yml

@@ -1,10 +1,9 @@
-# GitHub Actions workflow for building and publishing Docker images
-# See CICD_PLAN.md for details
-
-name: Publish Docker Image 
+name: Publish Docker Image
 
 on:
   push:
+    branches:
+      - 'main' # Trigger on push to main branch
     tags:
       - 'v*.*.*' # Trigger on tags like v1.0.0
 
@@ -26,11 +25,11 @@ jobs:
         with:
           images: ghcr.io/vishalmakwana111/inbox-zero
           tags: |
-            type=semver,pattern={{version}} # e.g., v1.2.3
-            type=semver,pattern={{major}}.{{minor}} # e.g., v1.2
-            # type=sha # Optional: Add tag for git SHA
-            # set latest tag for default branch - this requires triggering on push to main as well
-            # type=raw,value=latest,enable={{is_default_branch}}
+            # Push main branch commits as latest
+            type=raw,value=latest,enable={{is_default_branch}}
+            # Push version tags like v1.2.3, v1.2 for tags starting with v
+            type=semver,pattern={{version}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
+            type=semver,pattern={{major}}.{{minor}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with: